Mostly a Lady — Lisa Manuel

Swept Away
To save her life, Eliza Kent dons the fine gowns and jewels of a great lady--but to her chagrin, her masquerade succeeds too well. Dylan Fergusson, an undeniably compelling man, offers her his assistance and escorts her to the home of his sister, a duchess. Eliza is sure that the duchess will notice her every mistake and discover her true identity before long. But Eliza cannot conceal her feelings--for she is falling in love with Dylan...

Every moment Dylan spends in Eliza's presence persuades him that he has found the very woman he has longed for all his life. Her aloofness intrigues him, but he cannot persuade her to come into his arms if she insists upon keeping her distance. Stealing a kiss may be impossible--until the lady says yes at last...